Help/Adv. Equations: Difference between revisions
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For example, that the equation: | For example, that the equation: | ||
\begin{align} | \begin{align} | ||
& if \quad r\le 1.57\quad {{f}_{w}}=0.3 \\ | & \text{if} \quad r\le 1.57\quad {{f}_{w}}=0.3 \\ | ||
& if \quad r>1.57\quad {{f}_{w}}=0.00251\ \exp \left( 5.21\ {{r}^{-0.19}} \right) \\ | & \text{if} \quad r>1.57\quad {{f}_{w}}=0.00251\ \exp \left( 5.21\ {{r}^{-0.19}} \right) \\ | ||
\end{align} | \end{align} | ||
was typed as follows:<br> | was typed as follows:<br> | ||
'''\ begin{align}<br>''' | '''\ begin{align}<br>''' | ||
''' & if \quad r\le 1.57\quad {{f}_{w}}=0.3 \\ <br>''' | ''' & \text{if} \quad r\le 1.57\quad {{f}_{w}}=0.3 \\ <br>''' | ||
''' & if \quad r>1.57\quad {{f}_{w}}=0.00251\ \exp \left( 5.21\ {{r}^{-0.19}} \right) \\ <br>''' | ''' & \text{if} \quad r>1.57\quad {{f}_{w}}=0.00251\ \exp \left( 5.21\ {{r}^{-0.19}} \right) \\ <br>''' | ||
'''\ end{align}<br>''' | '''\ end{align}<br>''' | ||
Revision as of 22:03, 2 October 2011
Multiple Lines in Equations
Multiple lines in equations are handled between the delimiters \ begin{align} and \ end{align} with each line separated from the next with the use of '\\' at the end. Each line can be aligned at a location designated by '&' on each line.
For example, that the equation: \begin{align} & \text{if} \quad r\le 1.57\quad {{f}_{w}}=0.3 \\ & \text{if} \quad r>1.57\quad {{f}_{w}}=0.00251\ \exp \left( 5.21\ {{r}^{-0.19}} \right) \\ \end{align}
was typed as follows:
\ begin{align}
& \text{if} \quad r\le 1.57\quad {{f}_{w}}=0.3 \\
& \text{if} \quad r>1.57\quad {{f}_{w}}=0.00251\ \exp \left( 5.21\ {{r}^{-0.19}} \right) \\
\ end{align}